lantiq: remove 3.7 kernel patches

Signed-off-by: John Crispin <blogic@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt@37084 3c298f89-4303-0410-b956-a3cf2f4a3e73
lantiq: make xrx200 network driver use a tasklet for rx housekeeping

Signed-off-by: John Crispin <blogic@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt@37085 3c298f89-4303-0410-b956-a3cf2f4a3e73